void Scumm::v6::Scummv6StoreInstruction::processInst(Function&, ValueStack &stack, Engine*, CodeGenerator *codeGen) {
Scummv6CodeGenerator *cg = (Scummv6CodeGenerator *)codeGen;
switch (_opcode) {
case 0x42: // writeByteVar
case 0x43: // writeWordVar
{
ValuePtr p = new VarValue(cg->decodeVarName(static_cast<uint16>(_params[0]->getUnsigned())));
cg->writeAssignment(p, stack.pop());
}
break;
case 0x46: // byteArrayWrite
case 0x47: // wordArrayWrite
{
ValuePtr value = stack.pop();
ValueList idxs;
idxs.push_back(stack.pop());
ValuePtr p = new ArrayValue(cg->decodeArrayName(static_cast<uint16>(_params[0]->getUnsigned())), idxs);
cg->writeAssignment(p, value);
}
break;
case 0x4A: // byteArrayIndexedWrite
case 0x4B: // wordArrayIndexedWrite
{
ValuePtr value = stack.pop();
ValueList idxs;
idxs.push_front(stack.pop());
idxs.push_front(stack.pop());
ValuePtr p = new ArrayValue(cg->decodeArrayName(static_cast<uint16>(_params[0]->getUnsigned())), idxs);
cg->writeAssignment(p, value);
}
break;
}
}
void Scumm::v6::Scummv6LoadInstruction::processInst(Function&, ValueStack &stack, Engine*, CodeGenerator *codeGen) {
Scummv6CodeGenerator *cg = (Scummv6CodeGenerator *)codeGen;
switch (_opcode) {
case 0x00: // pushByte
case 0x01: // pushWord
stack.push(_params[0]);
break;
case 0x02: // pushByteVar
case 0x03: // pushWordVar
stack.push(new VarValue(cg->decodeVarName(static_cast<uint16>(_params[0]->getUnsigned()))));
break;
case 0x06: // byteArrayRead
case 0x07: // wordArrayRead
{
ValueList idxs;
idxs.push_front(stack.pop());
stack.push(new ArrayValue(cg->decodeArrayName(static_cast<uint16>(_params[0]->getUnsigned())), idxs));
break;
}
case 0x0A: // byteArrayIndexedRead
case 0x0B: // wordArrayIndexedRead
{
ValueList idxs;
idxs.push_front(stack.pop());
idxs.push_front(stack.pop());
stack.push(new ArrayValue(cg->decodeArrayName(static_cast<uint16>(_params[0]->getUnsigned())), idxs));
break;
}
}
}
void Scumm::v6::Scummv6ArrayOpInstruction::processInst(Function&, ValueStack &stack, Engine*, CodeGenerator *codeGen) {
Scummv6CodeGenerator *cg = (Scummv6CodeGenerator *)codeGen;
switch (_opcode) {
case 0xA4CD: // arrayOp_assignString
{
ValuePtr value = _params[1];
ValueList idxs;
idxs.push_front(stack.pop());
ValuePtr p = new ArrayValue(cg->decodeArrayName(static_cast<uint16>(_params[0]->getUnsigned())), idxs);
cg->writeAssignment(p, value);
}
break;
case 0xA4D0: // arrayOp_assignIntList
{
ValueList idxs;
idxs.push_front(stack.pop());
ValuePtr value = cg->createListValue();
ValuePtr p = new ArrayValue(cg->decodeArrayName(static_cast<uint16>(_params[0]->getUnsigned())), idxs);
cg->writeAssignment(p, value);
}
break;
case 0xA4D4: // arrayOp_assign2DimList
{
ValueList idxs;
idxs.push_front(stack.pop());
ValuePtr value = cg->createListValue();
idxs.push_front(stack.pop());
ValuePtr p = new ArrayValue(cg->decodeArrayName(static_cast<uint16>(_params[0]->getUnsigned())), idxs);
cg->writeAssignment(p, value);
}
break;
}
}
void Scumm::v6::Scummv6IncDecInstruction::processInst(Function&, ValueStack &stack, Engine*, CodeGenerator *codeGen) {
Scummv6CodeGenerator *cg = (Scummv6CodeGenerator *)codeGen;
switch (_opcode) {
case 0x4E: // byteVarInc
case 0x4F: // wordVarInc
case 0x56: // byteVarDec
case 0x57: // wordVarDec
{
std::stringstream s;
ValuePtr p = new UnaryOpValue(new VarValue(cg->decodeVarName(static_cast<uint16>(_params[0]->getUnsigned()))), _codeGenData, true);
s << p << ";";
cg->addOutputLine(s.str());
}
break;
case 0x52: // byteArrayInc
case 0x53: // wordArrayInc
case 0x5A: // byteArrayDec
case 0x5B: // wordArrayDec
{
std::stringstream s;
ValueList idxs;
idxs.push_front(stack.pop());
ValuePtr p = new UnaryOpValue(new ArrayValue(cg->decodeVarName(static_cast<uint16>(_params[0]->getUnsigned())), idxs), _codeGenData, true);
s << p << ";";
cg->addOutputLine(s.str());
}
break;
}
}
void Scumm::v6::Scummv6CondJumpInstruction::processInst(Function&, ValueStack &stack, Engine*, CodeGenerator*) {
if (_opcode == 0x5D) // jumpFalse
stack.push(stack.pop()->negate());
}
void Scumm::v6::Scummv6StackInstruction::processInst(Function&, ValueStack &stack, Engine*, CodeGenerator*) {
stack.pop();
}